OpenTechnical

OT-2026-000018635

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000018635) never changes.

Identity and time

Publication numberOT-2026-000018635 · never reused
Internal UUID01a0ae6e-d520-7ae6-811b-9b1ab22fb7e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018635
StatusPUBLIC

Content hashes

Canonical text1bd17b0d7746a93c0ceb5955fcb1d9ae75d311a4c30c82ab2d8dc15382a68d11
Markdown68dfc6ec55607b2785f7b9a6130bb55c1d1b11d92a30c646d82c72613a1952a3
PDF
Publication page6d248162eac88aedc39ac5844461a84b536a25246965a56b40198a2857f78f6e
Manifest7012342a5944d3b705361f7561b7b601a29d706a0139d21d9f51f23e6669bd8e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureH6lmDczTPUf52qA+Y36PDJcIr/ycx6dHdJ4XM8XiTCQ6g7CgsYfe+H9ITLuzSCCovBRL6gJXz++7bcS8AEdzBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:08.018957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018635
observed 6d248162eac88aedc39ac5844461a84b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:08.001595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018635/manifest.json
observed 7012342a5944d3b705361f7561b7b601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.983413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018635/publication.md
observed 68dfc6ec55607b2785f7b9a6130bb55c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.966666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018635/publication.txt
observed 1bd17b0d7746a93c0ceb5955fcb1d9ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.